Legalizer.cpp File Reference

#include "llvm/CodeGen/GlobalISel/Legalizer.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/CodeGen/GlobalISel/CSEInfo.h"
#include "llvm/CodeGen/GlobalISel/CSEMIRBuilder.h"
#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
#include "llvm/CodeGen/GlobalISel/GISelKnownBits.h"
#include "llvm/CodeGen/GlobalISel/GISelWorkList.h"
#include "llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h"
#include "llvm/CodeGen/GlobalISel/LegalizerHelper.h"
#include "llvm/CodeGen/GlobalISel/LostDebugLocObserver.h"
#include "llvm/CodeGen/GlobalISel/Utils.h"
#include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Error.h"

Include dependency graph for Legalizer.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "legalizer"

Typedefs
using	InstListTy = GISelWorkList< 256 >
using	ArtifactListTy = GISelWorkList< 128 >

Enumerations
enum class	DebugLocVerifyLevel { None , Legalizations , LegalizationsAndArtifactCombiners }

Functions
	INITIALIZE_PASS_BEGIN (Legalizer, DEBUG_TYPE, "Legalize the Machine IR a function's Machine IR", false, false) INITIALIZE_PASS_END(Legalizer
static bool	isArtifact (const MachineInstr &MI)

Variables
static cl::opt< bool >	EnableCSEInLegalizer ("enable-cse-in-legalizer", cl::desc("Should enable CSE in Legalizer"), cl::Optional, cl::init(false))
static cl::opt< bool >	AllowGInsertAsArtifact ("allow-ginsert-as-artifact", cl::desc("Allow G_INSERT to be considered an artifact. Hack around AMDGPU " "test infinite loops."), cl::Optional, cl::init(true))
static cl::opt< DebugLocVerifyLevel >	VerifyDebugLocs ("verify-legalizer-debug-locs", cl::desc("Verify that debug locations are handled"), cl::values(clEnumValN(DebugLocVerifyLevel::None, "none", "No verification"), clEnumValN(DebugLocVerifyLevel::Legalizations, "legalizations", "Verify legalizations"), clEnumValN(DebugLocVerifyLevel::LegalizationsAndArtifactCombiners, "legalizations+artifactcombiners", "Verify legalizations and artifact combines")), cl::init(DebugLocVerifyLevel::Legalizations))
	DEBUG_TYPE
Legalize the Machine IR a function s Machine	IR
Legalize the Machine IR a function s Machine	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "legalizer"

Definition at line 34 of file Legalizer.cpp.

Typedef Documentation

ArtifactListTy

using ArtifactListTy = GISelWorkList<128>

Definition at line 118 of file Legalizer.cpp.

InstListTy

using InstListTy = GISelWorkList<256>

Definition at line 117 of file Legalizer.cpp.

Enumeration Type Documentation

DebugLocVerifyLevel

enum class DebugLocVerifyLevel

strong

Enumerator
None
Legalizations
LegalizationsAndArtifactCombiners

Definition at line 50 of file Legalizer.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	Legalizer	,
		DEBUG_TYPE	,
		"Legalize the Machine IR a function's Machine IR"	,
		false	,
		false
	)

isArtifact()

static bool isArtifact ( const MachineInstr &  MI )

static

Definition at line 99 of file Legalizer.cpp.

References AllowGInsertAsArtifact, and MI.

Referenced by llvm::Legalizer::legalizeMachineFunction().

Variable Documentation

AllowGInsertAsArtifact

cl::opt< bool > AllowGInsertAsArtifact("allow-ginsert-as-artifact", cl::desc("Allow G_INSERT to be considered an artifact. Hack around AMDGPU " "test infinite loops."), cl::Optional, cl::init(true)) ( "allow-ginsert-as-artifact"  , cl::desc("Allow G_INSERT to be considered an artifact. Hack around AMDGPU " "test infinite loops.")  , cl::Optional  , cl::init(true)    )

static

Referenced by isArtifact().

DEBUG_TYPE

DEBUG_TYPE

Definition at line 80 of file Legalizer.cpp.

EnableCSEInLegalizer

cl::opt< bool > EnableCSEInLegalizer("enable-cse-in-legalizer", cl::desc("Should enable CSE in Legalizer"), cl::Optional, cl::init(false)) ( "enable-cse-in-legalizer"  , cl::desc("Should enable CSE in Legalizer")  , cl::Optional  , cl::init(false)    )

static

Referenced by llvm::Legalizer::runOnMachineFunction().

false

Legalize the Machine IR a function s Machine false

Definition at line 81 of file Legalizer.cpp.

IR

Legalize the Machine IR a function s Machine IR

Definition at line 81 of file Legalizer.cpp.

VerifyDebugLocs

cl::opt< DebugLocVerifyLevel > VerifyDebugLocs("verify-legalizer-debug-locs", cl::desc("Verify that debug locations are handled"), cl::values( clEnumValN(DebugLocVerifyLevel::None, "none", "No verification"), clEnumValN(DebugLocVerifyLevel::Legalizations, "legalizations", "Verify legalizations"), clEnumValN(DebugLocVerifyLevel::LegalizationsAndArtifactCombiners, "legalizations+artifactcombiners", "Verify legalizations and artifact combines")), cl::init(DebugLocVerifyLevel::Legalizations)) ( "verify-legalizer-debug-locs"  , cl::desc("Verify that debug locations are handled")  , cl::values( clEnumValN(DebugLocVerifyLevel::None, "none", "No verification"), clEnumValN(DebugLocVerifyLevel::Legalizations, "legalizations", "Verify legalizations"), clEnumValN(DebugLocVerifyLevel::LegalizationsAndArtifactCombiners, "legalizations+artifactcombiners", "Verify legalizations and artifact combines"))  , cl::init(DebugLocVerifyLevel::Legalizations)    )

static

Referenced by llvm::Legalizer::legalizeMachineFunction(), and llvm::Legalizer::runOnMachineFunction().